100% brand new Style Europe and America Material metal Unisex Styling diamond Health function Radiation protection Color style multicolor *If you need to use your computer or mobile phone for a long time *If you need to focus on work for a long time *If your job requires you to stand for a long time or do heavy work, and your hands, feet and feet are always cold *If you have nervousness, poor blood circulation or stiffness, and shoulder and neck pain. *If you have weak resistance to diseases and are prone to colds. *If your life is stressful and you want to relax and regain energy. *If you have an irregular lifestyle and often suffer from insomnia. *If you like sports and want to improve your fitness level. advantage: *Reduce muscle tension and increase flexibility-prevent injury * Reduce fatigue and tension, thereby improving the ability to perform best *Improve blood circulation Package content: A bracelet